How many subjects participated in an independent-samples t-test if a researcher reports t(20) = 3.68?
What will be an ideal response?
22
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Felipe has a psychological disorder, and his doctor has prescribed chlorpromazine to help reduce the severity of Felipe's symptoms. In this case, Felipe most likely has:
a. negative symptoms of schizophrenia b. positive symptoms of schizophrenia c. bipolar disorder d. an anxiety disorder
Statistical control is
a. a way of equating subjects on paper that are actually not equal b. the same as randomization c. generally preferable to experimental control d. All of these are true.
Between 4 and 7 months, infants __________
A) prefer nonspeech over human speech B) display a sense of musical phrasing C) recognize the same melody when it is played in different keys D) prefer listening to a rhythmically distinct foreign language rather than their native tongue
Which group best represents a task group used to study status hierarchies in groups?
A) a group of students at a class lecture B) a group of people waiting in line to pay at a store C) a group of citizens meeting to resolve a local problem D) a group of people waiting at a bus stop